package com.hieu.pattern.observer;

public class HexaObserver extends Observer{
	public HexaObserver(Subject subject){
		this.subject = subject;
		this.subject.attach(this);
	}
	
	@Override
	public void update() {
		System.out.println( "Hex String: "
		+ Integer.toHexString( subject.getState() ).toUpperCase() );
	}
}
